Audio & video
Audio Normalizer
Consistent volume, episode after episode.
A guest who speaks too quietly, an episode recorded louder than the last one, music that drowns out the voice: volume jumps tire listeners and drive audiences away. This tool applies professional loudness normalization — the same approach streaming and podcast platforms use — to bring your file to a coherent target level, without clipping peaks or crushing the dynamics. Drop your file, pick the target level, and download an MP3 that's ready to publish. Processing happens entirely in your browser: your recordings never leave your device. Free, no account, no limits — normalize as many files as you need to keep your catalog consistent.
How does it work?
- Drop your audio file (MP3, WAV, M4A…).
- Pick the target loudness level.
- Click "Normalize".
- Download the file with its evened-out volume.
Frequently asked questions
What is loudness normalization?
Instead of aligning the loudest peak in the file, it measures volume the way the ear perceives it (in LUFS) and adjusts the whole file toward a target level while preserving peaks. It's the method streaming and podcast platforms use.
Which target level should I choose?
-16 LUFS is the usual reference for podcasts and suits most voice content. -14 LUFS, which is louder, matches the level most music streaming platforms aim for.
Does normalization degrade the sound?
It changes the level, not the content: dynamics are respected within reason and a true-peak ceiling prevents any clipping. The result is exported as 192 kbit/s MP3, a transparent bitrate for voice.
Can I process several episodes so they all sound the same?
Yes: normalize each file to the same target level and your episodes will have a consistent perceived volume, with no manual gain-riding.